clang-tools-extra/unittests/clang-apply-replacements/ApplyReplacementsTest.cpp

   1 //===- clang-apply-replacements/ApplyReplacementsTest.cpp
   2 //----------------------===//
   3 //
   4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   5 // See https://llvm.org/LICENSE.txt for license information.
   6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "clang-apply-replacements/Tooling/ApplyReplacements.h"
  11 #include "clang/Format/Format.h"
  12 #include "gtest/gtest.h"
  13
  14 using namespace clang::replace;
  15 using namespace llvm;
  16
  17 namespace clang {
  18 namespace tooling {
  19
  20 static TUDiagnostics
  21 makeTUDiagnostics(const std::string &MainSourceFile, StringRef DiagnosticName,
  22                   const DiagnosticMessage &Message,
  23                   const StringMap<Replacements> &Replacements,
  24                   StringRef BuildDirectory) {
  25   TUDiagnostics TUs;
  26   TUs.push_back(
  27       {MainSourceFile,
  28        {{DiagnosticName, Message, {}, Diagnostic::Warning, BuildDirectory}}});
  29   return TUs;
  30 }
  31
  32 // Test to ensure diagnostics with no fixes, will be merged correctly
  33 // before applying.
  34 TEST(ApplyReplacementsTest, mergeDiagnosticsWithNoFixes) {
  35   IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts(new DiagnosticOptions());
  36   DiagnosticsEngine Diagnostics(
  37       IntrusiveRefCntPtr<DiagnosticIDs>(new DiagnosticIDs()), DiagOpts.get());
  38   FileManager Files((FileSystemOptions()));
  39   SourceManager SM(Diagnostics, Files);
  40   TUReplacements TURs;
  41   TUDiagnostics TUs =
  42       makeTUDiagnostics("path/to/source.cpp", "diagnostic", {}, {}, "path/to");
  43   FileToChangesMap ReplacementsMap;
  44
  45   EXPECT_TRUE(mergeAndDeduplicate(TURs, TUs, ReplacementsMap, SM));
  46   EXPECT_TRUE(ReplacementsMap.empty());
  47 }
  48
  49 } // end namespace tooling
  50 } // end namespace clang